HOLD function
See also:
Trailer power supply
The trailer power socket of your vehicle is
designed for connecting the 7-pin connector
supplied as part of the Mercedes-Benzapproved
trailer coupling.
Depending on your trailer, you may need
an ...
Deactivating the HOLD function
The HOLD function is deactivated
automatically if:
- you accelerate and the transmission is in
position D or R.
- you shift the transmission to position P.
- you apply t ...
Installing the ball coupling
WARNING
If the vehicle/trailer combination is not secured, the trailer may come loose.
As a result, you could cause an accident.
Observe the ball coupling manufacturer's installation inst ...
